Terex Genie 20N RJ, Service And Repair Manual

Page: 77 / 117

September 2021 Service and Repair Manual
Fault Codes
Part No. 1268498GT Z®-30/20N • Z®-30/20N RJ • Z®-34/22 • Z®-34/22N 65
Fault Code Chart
Fault Code
Programmer
Diagnostic Display
Condition Possible Causes Solution
34
MISSING
CONTACTOR
Machine will not drive. Motor controller does
not detect the main
contactor PR1 or brake
release relay CR5.
Consult Genie Product
Support.
MAIN CONT DNC Machine will not drive. Main contactor PR1 or
brake release relay
CR5 did not close OR
open in org/red wire to
PR1 and/or CR5 OR
main contactor and/or
brake release relay is
defective.
Consult Genie Product
Support.
41 LOW BATTERY Machine will not drive. Battery supply voltage
to motor controller less
than 32V DC.
Completely charge
batteries OR check
battery cable condition
OR check for corrosion
or loose connections at
battery terminals and
motor controller.
42 OVERVOLTAGE Machine will not drive. Battery supply voltage
to motor controller
more than 55V DC OR
machine is being
operated with the
battery charger
plugged in.
Be sure the battery
charger is
disconnected OR
check for loose battery
cables or poor
connections.
43 THERMAL CUTBACK Machine will not drive. Machine being
operated outside of
temperature range of
-13°F to 185°F / -25°C
to 85°C OR machine
being driven under
excessive load OR
motor controller is not
being cooled
sufficiently.
Operate machine
within specified
temperature limits OR
check for debris
around motor
controller preventing
proper cooling of the
controller OR check for
mechanical restrictions
causing excessive load
on the machine.